[URL="http://api.tweetmeme.com/share?url=http://sports.espn.go.com/nfl/news/story?id=5552653&campaign=rss&source=NFLHeadlines&service=bit.ly&source=espn"][IMG]http://api.tweetmeme.com/imagebutton.gif?url=http://sports.espn.go.com/nfl/news/story?id=5552653&campaign=rss&source=NFLHeadlines[/IMG][/URL]Bengals defensive end Antwan Odom said on his Twitter account that he has tested positive for a banned substance and he faces a suspension.